Article Citation
Huang X, Zhu HM, Deng CZ, Porro GB, Sangaletti O, Pace F. Gastroesophageal reflux: the features in elderly patients. World J Gastroenterol 1999; 5(5): 421-423 [PMID: 11819480 DOI: 10.3748/wjg.v5.i5.421]
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